I took on your advice, defined the pNewbie and when a new player registered(under the register Dialog):

Code:

ShowPlayerDialog(playerid, DIALOG_SUCCESS_1, DIALOG_STYLE_MSGBOX,""COLOR_WHITE"Success!",""COLOR_GREEN"Congratulations, you have successfully made an account!\nNow you will begin to start your adventure!","Ok","");
SpawnPlayer(playerid);
PlayerInfo[playerid][pNewbie] += 1);